/*
 * Copyright 2002-2016 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.web.socket.adapter.standard;

import org.springframework.web.socket.WebSocketExtension;

import javax.websocket.Extension;
import java.util.ArrayList;
import java.util.List;

/**
 * Adapt an instance of {@link org.springframework.web.socket.WebSocketExtension} to
 * the {@link javax.websocket.Extension} interface.
 *
 * @author Rossen Stoyanchev
 * @since 4.0
 */
public class WebSocketToStandardExtensionAdapter implements Extension {

    private final String name;

    private final List<Parameter> parameters = new ArrayList<>();


    public WebSocketToStandardExtensionAdapter(final WebSocketExtension extension) {
        this.name = extension.getName();
        for (final String paramName : extension.getParameters().keySet()) {
            this.parameters.add(new Parameter() {
                @Override
                public String getName() {
                    return paramName;
                }

                @Override
                public String getValue() {
                    return extension.getParameters().get(paramName);
                }
            });
        }
    }

    @Override
    public String getName() {
        return this.name;
    }

    @Override
    public List<Parameter> getParameters() {
        return this.parameters;
    }

}
